[S33] Ancestry.com, 1870 United States Federal Census, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2009;), Year: 1870; Census Place: Rich Valley, Smyth, Virginia; Roll: M593_1679; Page: 72A; Family History Library Film: 553178.
Record for Greenville Webb https://search.ancestry.com/cgi-bin/sse.dll?db=7163&h=36940530&indiv=try